Towel bar



FIG. 1 is a front, right side, and top perspective view of a towel bar showing my new design. A portion of a hand towel is shown in broken lines and is not part of the design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a rear elevation view thereof. 

The ornamental design for a towel bar, as shown and described. 